# Nysius

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{{Short description|Genus of true bugs}}
{{Automatic taxobox
| image = Nysius ericae.jpg
| image_caption = ''Nysius ericae''
| taxon = Nysius
| authority = [Dallas](/source/William_Dallas), 1852
| diversity_link = List of Nysius species
| diversity = at least 100 species
}}

'''''Nysius''''' is a genus of false chinch bugs in the family [Lygaeidae](/source/Lygaeidae). At least 100 described species are placed in ''Nysius''.<ref name=itis/><ref name=catlife/><ref name=gbif/><ref name=bugref/>

Like other seed bugs, some species in the genus have proven to be [crop](/source/crop) [pest](/source/Pest_(organism))s of [wheat](/source/wheat) and other [grain](/source/grain)s (including ''N. huttoni''), as well as many vegetables. A unique [Hawaii](/source/Hawaii)an radiation of the genus contains almost a quarter of the world's species (26), as well as the most diverse character set seen in the genus. In addition, two closely related species (colloquially known as [wēkiu bug](/source/w%C4%93kiu_bug)s) found on [Mauna Loa](/source/Mauna_Loa) and [Mauna Kea](/source/Mauna_Kea) on the island of Hawai'i, are different from the rest of ''Nysius'' by exhibiting reduced nonfunctional wings, and feed on dead and dying insects (''[N. wekiuicola](/source/Nysius_wekiuicola)'', ''[N. aa](/source/Nysius_aa)''&nbsp;<ref>{{cite journal |author=Polhemus, D. A. |year=1998 |title=''Nysius aa'' (Heteroptera: Lygaeidae), a new species of micropterous wekiu bug from the summit of Mauna Loa volcano, Hawaii |journal=Proceedings of the Entomological Society of Washington |volume=100 |issue=1 |pages=25–31}}</ref>).

==Species==
The genus contains the following species:
{{div col|colwidth=20em}}
* ''[Nysius aa](/source/Nysius_aa)'' <small>Polhemus, 1998</small>
* ''[Nysius abnormis](/source/Nysius_abnormis)'' <small>Usinger, 1942</small>
* ''[Nysius albipennis](/source/Nysius_albipennis)'' <small>Distant, W.L., 1913</small>
* ''[Nysius angustatus](/source/Nysius_angustatus)'' <small>Uhler, 1872</small>
* ''[Nysius angustellus](/source/Nysius_angustellus)'' <small>(Blanchard, 1852)</small>
* ''[Nysius atlantidum](/source/Nysius_atlantidum)'' <small>Horváth, 1890</small>
* ''[Nysius baeckstroemi](/source/Nysius_baeckstroemi)'' <small>Bergroth, 1924</small>
* ''[Nysius beardsleyi](/source/Nysius_beardsleyi)'' <small>Ashlock, 1966</small>
* ''[Nysius blackburni](/source/Nysius_blackburni)'' <small>White, 1881</small>
* ''[Nysius caledoniae](/source/Nysius_caledoniae)'' <small>Distant, 1920</small>
* ''[Nysius cargadosensis](/source/Nysius_cargadosensis)'' <small>Distant, W.L., 1909</small>
* ''[Nysius ceylanicus](/source/Nysius_ceylanicus)'' <small>(Motschulsky, 1863)</small>
* ''[Nysius chenopodii](/source/Nysius_chenopodii)'' <small>Usinger, 1942</small>
* ''[Nysius coenosulus](/source/Nysius_coenosulus)'' <small>Stål, 1859</small>
* ''[Nysius communis](/source/Nysius_communis)'' <small>Usinger, 1942</small>
* ''[Nysius contiguus](/source/Nysius_contiguus)'' <small>Walker, 1872</small>
* ''[Nysius convexus](/source/Nysius_convexus)'' <small>(Usinger, 1942)</small>
* ''[Nysius cymoides](/source/Nysius_cymoides)'' <small>(Spinola, 1837)</small>
* ''[Nysius dallasi](/source/Nysius_dallasi)'' <small>White, 1878</small>
* ''[Nysius delectulus](/source/Nysius_delectulus)'' <small>Perkins, 1912</small>
* ''[Nysius delectus](/source/Nysius_delectus)'' <small>White, 1878</small>
* ''[Nysius dohertyi](/source/Nysius_dohertyi)'' <small>Distant, W.L., 1904</small>
* ''[Nysius ephippiatus](/source/Nysius_ephippiatus)'' <small>Spinola, 1852</small>
* ''[Nysius ericae](/source/Nysius_ericae)'' <small>(Schilling, 1829)</small>
* ''[Nysius erythynus](/source/Nysius_erythynus)'' <small>Fernando, 1960</small>
* ''[Nysius euphorbiae](/source/Nysius_euphorbiae)'' <small>Horvath, G., 1910</small>
* ''[Nysius eximius](/source/Nysius_eximius)'' <small>Stal, 1858</small>
* ''[Nysius expressus](/source/Nysius_expressus)'' <small>Distant, 1883</small>
* ''[Nysius femoratus](/source/Nysius_femoratus)'' <small>Van Duzee, E.P., 1940</small>
* ''[Nysius feuerborni](/source/Nysius_feuerborni)'' <small>China, W.E., 1935</small>
* ''[Nysius frigatensis](/source/Nysius_frigatensis)'' <small>Usinger, 1942</small>
* ''[Nysius fucatus](/source/Nysius_fucatus)'' <small>Usinger, 1942</small>
* ''[Nysius fullawayi](/source/Nysius_fullawayi)'' <small>Usinger, 1942</small>
* ''[Nysius fuscovittatus](/source/Nysius_fuscovittatus)'' <small>Barber, 1958</small>
* ''[Nysius gloriae](/source/Nysius_gloriae)'' <small>Baena & García, 1999</small>
* ''[Nysius graminicola](/source/Nysius_graminicola)'' <small>(Kolenati, 1845)</small>
* ''[Nysius grandis](/source/Nysius_grandis)'' <small>Baker, 1906</small>
* ''[Nysius groenlandicus](/source/Nysius_groenlandicus)'' <small>(Zetterstedt, 1838)</small>
* ''[Nysius haeckeli](/source/Nysius_haeckeli)'' <small>(Leon *, 1890)</small>
* ''[Nysius hardyi](/source/Nysius_hardyi)'' <small>Ashlock, 1966</small>
* ''[Nysius helveticus](/source/Nysius_helveticus)'' <small>(Herrich-Schäffer, 1850)</small>
* ''[Nysius hidakai](/source/Nysius_hidakai)'' <small>Nakatani, 2015</small>
* ''[Nysius huttoni](/source/Nysius_huttoni)'' <small>White, F.B., 1878</small>
* ''[Nysius immunis](/source/Nysius_immunis)'' <small>(Walker, 1872)</small>
* ''[Nysius inconspicuus](/source/Nysius_inconspicuus)'' <small>Distant, 1903</small>
* ''[Nysius insoletus](/source/Nysius_insoletus)'' <small>Barber, 1947</small>
* ''[Nysius irroratus](/source/Nysius_irroratus)'' <small>(Spinola, 1852)</small>
* ''[Nysius kinbergi](/source/Nysius_kinbergi)'' <small>Usinger, 1959</small>
* ''[Nysius lacustrinus](/source/Nysius_lacustrinus)'' <small>Distant, 1909</small>
* ''[Nysius latus](/source/Nysius_latus)'' <small>Wagner, 1958</small>
* ''[Nysius lichenicola](/source/Nysius_lichenicola)'' <small>Kirkaldy, 1910</small>
* ''[Nysius liliputanus](/source/Nysius_liliputanus)'' <small>Eyles & Ashlock, 1969</small>
* ''[Nysius longicollis](/source/Nysius_longicollis)'' <small>Blackburn, 1888</small>
* ''[Nysius melanicus](/source/Nysius_melanicus)'' <small>Distant, W.L., 1909</small>
* ''[Nysius minor](/source/Nysius_minor)'' <small>Distant, W.L., 1909</small>
* ''[Nysius mixtus](/source/Nysius_mixtus)'' <small>Usinger, 1942</small>
* ''[Nysius monticolus](/source/Nysius_monticolus)'' <small>Distant, 1893</small>
* ''[Nysius neckerensis](/source/Nysius_neckerensis)'' <small>Usinger, 1942</small>
* ''[Nysius nemorivagus](/source/Nysius_nemorivagus)'' <small>White, 1881</small>
* ''[Nysius niger](/source/Nysius_niger)'' <small>Baker, 1906</small>
* ''[Nysius nigricornis](/source/Nysius_nigricornis)'' <small>Kerzhner, 1979</small>
* ''[Nysius nihoae](/source/Nysius_nihoae)'' <small>Usinger, 1942</small>
* ''[Nysius nubilus](/source/Nysius_nubilus)'' <small>Dallas, W.S., 1852</small>
* ''[Nysius oceanicus](/source/Nysius_oceanicus)'' <small>Usinger, R.L., 1937</small>
* ''[Nysius orarius](/source/Nysius_orarius)'' <small>Malipatil, 2005</small>
* ''[Nysius pacificus](/source/Nysius_pacificus)'' <small>China, 1930</small>
* ''[Nysius pallipennis](/source/Nysius_pallipennis)'' <small>Walker, F., 1872</small>
* ''[Nysius palor](/source/Nysius_palor)'' <small>Ashlock, 1963</small>
* ''[Nysius paludicola](/source/Nysius_paludicola)'' <small>Barber, 1949</small>
* ''[Nysius paludicolus](/source/Nysius_paludicolus)'' <small>Barber, H.G., 1949</small>
* ''[Nysius picipes](/source/Nysius_picipes)'' <small>Usinger, R.L., 1937</small>
* ''[Nysius pilosulus](/source/Nysius_pilosulus)'' <small>Horvath, 1904</small>
* ''[Nysius plebejus](/source/Nysius_plebejus)'' <small>(Distant, 1883)</small>
* ''[Nysius procerus](/source/Nysius_procerus)'' <small>Distant, 1893</small>
* ''[Nysius puberulus](/source/Nysius_puberulus)'' <small>Berg, 1895</small>
* ''[Nysius pulchellus](/source/Nysius_pulchellus)'' <small>Stal, C., 1859</small>
* ''[Nysius punctipes](/source/Nysius_punctipes)'' <small>Stal, C., 1856</small>
* ''[Nysius raphanus](/source/Nysius_raphanus)'' <small>Howard, 1872</small>
* ''[Nysius rhyparus](/source/Nysius_rhyparus)'' <small>Stål, 1859</small>
* ''[Nysius rubescens](/source/Nysius_rubescens)'' <small>White, 1881</small>
* ''[Nysius salti](/source/Nysius_salti)'' <small>Usinger, R.L., 1952</small>
* ''[Nysius sanctaehelenae](/source/Nysius_sanctaehelenae)'' <small>White, F.B., 1877</small>
* ''[Nysius scutellatus](/source/Nysius_scutellatus)'' <small>Dallas, 1852</small>
* ''[Nysius senecionis](/source/Nysius_senecionis)'' <small>(Schilling, 1829)</small>
* ''[Nysius simulans](/source/Nysius_simulans)'' <small>Stål, 1859</small>
* ''[Nysius spectabilis](/source/Nysius_spectabilis)'' <small>Distant, 1901</small>
* ''[Nysius steeleae](/source/Nysius_steeleae)'' <small>China, W.E., 1934</small>
* ''[Nysius stratus](/source/Nysius_stratus)'' <small>Scudder, 1890</small>
* ''[Nysius subcinctus](/source/Nysius_subcinctus)'' <small>Walker, F., 1872</small>
* ''[Nysius sublittoralis](/source/Nysius_sublittoralis)'' <small>Perkins, 1912</small>
* ''[Nysius suffusus](/source/Nysius_suffusus)'' <small>Usinger, 1942</small>
* ''[Nysius tasmaniensis](/source/Nysius_tasmaniensis)'' <small>Malipatil, 2005</small>
* ''[Nysius tenellus](/source/Nysius_tenellus)'' <small>Barber, 1947</small>
* ''[Nysius terrae](/source/Nysius_terrae)'' <small>Scudder, 1890</small>
* ''[Nysius terrestris](/source/Nysius_terrestris)'' <small>Usinger, 1942</small>
* ''[Nysius thymi](/source/Nysius_thymi)'' <small>(Wolff, 1804)</small>
* ''[Nysius transcaspicus](/source/Nysius_transcaspicus)'' <small>Wagner, 1958</small>
* ''[Nysius tritus](/source/Nysius_tritus)'' <small>Scudder, 1890</small>
* ''[Nysius usitatus](/source/Nysius_usitatus)'' <small>Ashlock, 1972</small>
* ''[Nysius vecula](/source/Nysius_vecula)'' <small>Scudder, 1890</small>
* ''[Nysius veculus](/source/Nysius_veculus)'' <small>Scudder, S.H., 1890</small>
* ''[Nysius vinctus](/source/Nysius_vinctus)'' <small>Scudder, 1890</small>
* ''[Nysius vinitor](/source/Nysius_vinitor)'' <small>Bergroth, 1891</small>
* ''[Nysius vulcanorum](/source/Nysius_vulcanorum)'' <small>Lindberg, H., 1958</small>
* ''[Nysius wekiuicola](/source/Nysius_wekiuicola)'' <small>Ashlock & Gagne, 1983</small>
{{Div col end}}

== Gallery ==
<gallery>
847-nysius-graminicola.jpg|''Nysius graminicola''
Nysius caledoniae male.jpg|''Nysius caledoniae'' male
Nysius ericae 01.JPG|''Nysius ericae''
Nysius helveticus.jpg|''Nysius helveticus''
Nysius helveticus 01.jpg|''Nysius helveticus''
Nysius thymi.jpg|''Nysius thymi''
Nysius thymi (Lygaeidae sp.), Lentse Waard, the Netherlands.jpg|''Nysius thymi''
Nysius P1150751a.jpg|False chinch bug, ''Nysius''
Nysius P1110280a.jpg|False chinch bug, ''Nysius''
Nysius P1090527a.jpg|False chinch bug, ''Nysius''
</gallery>

==See also==
* [''Nysius'' species](/source/List_of_Nysius_species)

==References==
{{Reflist|refs=
<ref name=itis>
{{Cite web| title=''Nysius'' Report
| url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=107868
| website=Integrated Taxonomic Information System
| access-date=2018-05-03
}}</ref>
<ref name=catlife>
{{Cite web| title=Browse ''Nysius''
| url=http://www.catalogueoflife.org/col/browse/tree/id/69299723e871d131c8a518594ac4d232
| website=Catalogue of Life
| access-date=2018-05-03
}}</ref>
<ref name=gbif>
{{Cite web| title=''Nysius''
| url=https://www.gbif.org/species/2007771
| website=GBIF
| access-date=2018-05-03
}}</ref>
<ref name=bugref>
{{Cite web| title=''Nysius'' Genus Information
| url=https://bugguide.net/node/view/44404
| website=BugGuide.net
| access-date=2018-05-03
}}</ref>
}}

==Further reading==
{{Refbegin}}
* {{Cite book
| last1 = Arnett | first1 = Ross H. Jr.
| date = 2000
| title = American Insects: A Handbook of the Insects of America North of Mexico
| url = https://books.google.com/books?id=DKzAmSDdLtsC
| publisher = CRC Press
| edition = 2nd
| isbn = 0-8493-0212-9
}}
* {{Cite book
| editor-last1 = Aukema | editor-first1 = Berend
| editor-last2 = Rieger | editor-first2 = Christian
| date = 2001
| title = Catalogue of the Heteroptera of the Palaearctic Region, vol. 4: Pentatomorpha I: Aradidae, Lygaeidae, Piesmatidae, Malcidae, Berytidae, Colobathristidae, Largidae, Pyrrhocoridae
| publisher = The Netherlands Entomological Society
| isbn = 90-71912-21-3
}}
* {{Cite book
| last1 = Blatchley | first1 = W.S.
| date = 1926
| title = Heteroptera, or true bugs of eastern North America, with especial reference to the faunas of Indiana and Florida
| publisher = Nature Publishing
| doi = 10.5962/bhl.title.6871
| doi-access = free
}}
* {{Cite book
| editor-last1 = Henry | editor-first1 = Thomas J.
| editor-last2 = Froeschner | editor-first2 = Richard C.
| date = 1988
| title = Catalog of the Heteroptera, or True Bugs, of Canada and the Continental United States
| publisher = E. J. Brill
| isbn = 0-916846-44-X
}}
* {{Cite book
| last1 = Slater | first1 = James Alexander
| date = 1964
| title = A Catalogue of the Lygaeidae of the World
| publisher = University of Connecticut
}}
* {{Cite book
| last1 = Slater | first1 = James A.
| last2 = O'Donnell | first2 = Jane E.
| date = 1995
| title = A Catalogue of the Lygaeidae of the World (1960-1994)
| publisher = The New York Entomological Society
| isbn = 0-913-424-16-1
}}
* {{Cite book
| last1 = Walker | first1 = Francis
| date = 1871
| title = Catalogue of the Specimens of Hemiptera Heteroptera in the Collection of the British Museum, pt. IV
| publisher = British Museum
| doi = 10.5962/bhl.title.9254
| doi-access = free
}}
{{Refend}}

==External links==
{{Refbegin}}
* {{Commons-inline}}
* {{Wikispecies-inline}}
{{Refend}}

{{clear}}

{{Taxonbar|from=Q7071267}}
{{Authority control}}

Category:Nysius
Category:Pentatomomorpha genera
Category:Endemic fauna of Hawaii
Category:Hemiptera of Europe
Category:Taxa named by William Dallas

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Adapted from the Wikipedia article [Nysius](https://en.wikipedia.org/wiki/Nysius) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Nysius?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.